<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<center>
  <h1>
    用户注册
  </h1>
  <form action="/regUser" method="get">
  <table border = "1">
    <tr>
      <td>用户名</td>
      <td ><input name = "username" input type = "text"></td>
    </tr>
    <tr>
      <td>密码</td>
      <td ><input name = "password" input type = "password"></td>
    </tr>
    <tr>
      <td>昵称</td>
      <td><input name = "nickname" input type = "text"></td>
    </tr>
    <tr>
      <td>年龄</td>
      <td><input name = "age" input type = "text"></td>
    </tr>
    <tr>
      <td align="center" colspan="3" > <input  type = "submit" value = "注册"></td>
    </tr>
    <tr><td align="center" colspan="3">注册格式不能为空年龄是数字</td></tr>
  </table>
  </form>
</center>
</body>
</html>